Coupling



FIG. 1 is a front right perspective view of the coupling;

FIG. 2 is a left-side view of the coupling of FIG. 1 ;

FIG. 3 is a right-side view of the coupling of FIG. 1 ;

FIG. 4 is a front view of the coupling of FIG. 1 ;

FIG. 5 is a rear view of the coupling of FIG. 1 ;

FIG. 6 is a top view of the coupling of FIG. 1 ;

FIG. 7 is a bottom view of the coupling of FIG. 1 ; and,

FIG. 8 is an exploded view of the coupling of FIG. 1 .

The broken lines showing the opposing coupling and pin illustrate the environment of the claimed design and form no part of the claimed design. The remaining evenly spaced broken lines in the drawings illustrate portions of the coupling and form no part of the claimed design. The dot-dash-dot broken lines in the drawings define the bounds of the claim and form no part thereof.

The dot-dash-dot broken lines in the drawings define the boundary of the claim and form no part thereof. 

CLAIM The ornamental design for “coupling,” as shown and described. 